./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:11:42,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:11:42,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:11:42,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:11:42,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:11:42,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:11:42,255 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:11:42,256 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:11:42,257 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:11:42,257 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:11:42,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:11:42,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:11:42,259 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:11:42,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:11:42,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:11:42,261 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:11:42,262 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:11:42,262 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:11:42,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:11:42,264 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:11:42,264 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:11:42,265 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:11:42,266 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:11:42,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:11:42,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:11:42,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:11:42,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:42,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:11:42,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:11:42,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:11:42,270 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:11:42,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:11:42,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:11:42,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2023-11-24 23:11:42,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:11:42,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:11:42,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:11:42,601 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:11:42,602 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:11:42,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-24 23:11:45,872 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:11:46,079 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:11:46,080 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2023-11-24 23:11:46,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/data/4df423841/28046e5857c04f2eb3f2fce1084f342e/FLAG69439984b [2023-11-24 23:11:46,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/data/4df423841/28046e5857c04f2eb3f2fce1084f342e [2023-11-24 23:11:46,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:11:46,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:11:46,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:46,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:11:46,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:11:46,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f5c81a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46, skipping insertion in model container [2023-11-24 23:11:46,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,147 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:11:46,337 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-24 23:11:46,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:46,375 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:11:46,394 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2023-11-24 23:11:46,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:11:46,417 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:11:46,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46 WrapperNode [2023-11-24 23:11:46,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:11:46,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:46,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:11:46,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:11:46,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,455 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 55 [2023-11-24 23:11:46,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:11:46,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:11:46,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:11:46,458 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:11:46,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,467 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,476 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,478 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:11:46,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:11:46,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:11:46,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:11:46,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:11:46,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:11:46,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:11:46,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4334d862-4a26-4372-bf6d-ec08ad5b9cd4/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:11:46,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:11:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:11:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:11:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:11:46,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:11:46,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:11:46,628 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:11:46,630 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:11:46,816 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:11:46,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:11:46,881 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:11:46,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46 BoogieIcfgContainer [2023-11-24 23:11:46,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:11:46,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:11:46,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:11:46,898 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:11:46,898 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:11:46" (1/1) ... [2023-11-24 23:11:46,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:11:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:46,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-24 23:11:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-24 23:11:46,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:11:46,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,201 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:47,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 20 states and 28 transitions. [2023-11-24 23:11:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 28 transitions. [2023-11-24 23:11:47,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:11:47,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:47,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:47,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:11:47,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2023-11-24 23:11:48,270 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2023-11-24 23:11:48,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:11:48,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:48,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:48,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:48,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-24 23:11:48,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:48,441 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:48,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:48,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-24 23:11:48,702 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-24 23:11:48,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:11:48,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:48,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:48,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:11:48,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:49,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:49,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2023-11-24 23:11:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2023-11-24 23:11:49,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:11:49,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:49,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:49,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:11:49,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:11:51,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:51,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 37 states and 74 transitions. [2023-11-24 23:11:51,807 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2023-11-24 23:11:51,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:51,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:51,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:51,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:11:51,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:53,239 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:11:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:56,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 45 states and 104 transitions. [2023-11-24 23:11:56,267 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 104 transitions. [2023-11-24 23:11:56,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:11:56,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:56,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-24 23:11:56,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:11:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:11:58,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 46 states and 106 transitions. [2023-11-24 23:11:58,087 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 106 transitions. [2023-11-24 23:11:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:11:58,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:11:58,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:11:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:11:58,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-24 23:11:58,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:11:59,238 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:12:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:01,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 49 states and 119 transitions. [2023-11-24 23:12:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 119 transitions. [2023-11-24 23:12:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:12:01,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:01,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:01,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:01,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:01,728 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:05,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 53 states and 133 transitions. [2023-11-24 23:12:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 133 transitions. [2023-11-24 23:12:05,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:12:05,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:05,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:05,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:12:05,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 58 states and 158 transitions. [2023-11-24 23:12:07,424 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 158 transitions. [2023-11-24 23:12:07,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:12:07,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:07,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:07,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 186 transitions. [2023-11-24 23:12:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 186 transitions. [2023-11-24 23:12:11,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:12:11,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:11,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:11,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-24 23:12:11,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:13,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:13,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 62 states and 177 transitions. [2023-11-24 23:12:13,940 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 177 transitions. [2023-11-24 23:12:13,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:12:13,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:13,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:14,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-24 23:12:14,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:12:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:19,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 65 states and 197 transitions. [2023-11-24 23:12:19,998 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 197 transitions. [2023-11-24 23:12:19,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:12:19,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:20,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:20,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:12:20,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:20,547 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:26,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 69 states and 211 transitions. [2023-11-24 23:12:26,087 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 211 transitions. [2023-11-24 23:12:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:12:26,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:26,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:26,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:12:26,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:26,188 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:12:29,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:29,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 74 states and 245 transitions. [2023-11-24 23:12:29,463 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 245 transitions. [2023-11-24 23:12:29,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:12:29,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:29,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:29,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:12:29,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:12:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 78 states and 280 transitions. [2023-11-24 23:12:36,720 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 280 transitions. [2023-11-24 23:12:36,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:12:36,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:36,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:36,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-24 23:12:36,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:12:38,262 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 28 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-11-24 23:12:40,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:12:40,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 78 states and 264 transitions. [2023-11-24 23:12:40,511 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 264 transitions. [2023-11-24 23:12:40,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 23:12:40,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:12:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:12:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:12:40,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-24 23:12:40,650 INFO L285 TraceCheckSpWp]: Computing forward predicates...